Tech. Sgt. Michael Perry, 51st Logistics and Readiness Squadron’s NCO in charge of the individual protective equipment section, answers the judges' questions about his Spark Tank proposal at Osan Air Base, Republic of Korea, May 20, 2021. Perry proposed a radio frequency identification system to streamline equipment inventory tracking within the IPE section. (U.S. Air Force photo by Staff Sgt. Douglas Lorance)